Answer Happy

please solve the question below by Laplace transforms
Q3) A function is define f(t) is defined by: (cost 0くさくて f(1) = {cos 21 <t <271 2n<t (15 Marks) a) Sketch the graph of the function f(t). b) Solve the equation * + 8x + 32 x = f (1), (1 = 0, x= x= 0) by Laplace transform. cos 31